Here’s such a letter. It addresses Air cleaner efficacy in general, and the Corsi/Rosenthal Box, in specific. HVAC infrastructure concerns (it will not cause issues). Electrical concerns (will not cause fires). Just emailing it to the concerned individual. Better would… Read More »I need some sort of letter and tactics to overcome objections.
It is recommended not to – the virus might be on the filters – but It is far more likely that airborne transmission will occur. The odds of transfer from the filters to the hands and then to the mucosal… Read More »How to keep little fingers out of the filters? Or – can students touch the filters?
This is a great question! Two part answer. First part is that it’s actually two different technologies. Bulbs are usually used to clean items in a sealed container in a hospital. Hospitals use UVGI to clean the air. And it… Read More »Wouldn’t it work better if we added UVC bulbs under the shroud like hospitals do?
This could not be farther from the truth. Air cleaning is additive – not subtractive. For example – hospitals have excellent air cleaning. In this preprint of a study – “A single bed hospital room equipped with an excellent ventilation… Read More »HVAC – someone said it will mess up the HVAC of our building?
No: Measured by Underwriter’s Laboratories, Inc. Smart Air has been doing the same thing since 2013 – only 5 had issues, most likely issues with the fan motor itself, not the load. There were no actual fires.
Won’t a portable air filter (cleaner) just move the air with contaminated aerosols around to infect more people?
Per Dr. Poppendieck “I actually love this question because it shows the person has thought about what we intuitively understand about our indoor environment. We generally don’t feel the air move indoors. Humans can sense air movement down to about… Read More »Won’t a portable air filter (cleaner) just move the air with contaminated aerosols around to infect more people?
Put on your N100 elastomeric respirator (more comfortable than N95). Does not have to be N100 – just better masks work…better. Carefully, pick up the Corsi/Rosenthal box and gently take it outside. Carefully cut the filters apart, gently peel it… Read More »How do I dispose of the filters?
I’m sorry, you do still need to wear a mask. Why? For the same reasons Health Care Workers continue to get infected in hospitals which have excellent ventilation with 6 Air Changes Per Hour. Ventilation cleans up far-field aerosols (>6… Read More »Do we need to wear masks even though we have a couple of air cleaners?
Always refer to the manufacturer’s specifications. But a general rule of thumb is: If used during smoke season, 3 months. If during regular usage, 6 month. Additional details on MERV 13-A filters which for sure will are the ones that… Read More »How long do the filters last?